From mboxrd@z Thu Jan 1 00:00:00 1970 From: axboe@kernel.dk (Jens Axboe) Date: Thu, 17 May 2018 09:02:17 -0600 Subject: [PATCH 3/3] nvme: drop IRQ disabling on submission queue lock In-Reply-To: <1526569337-3489-1-git-send-email-axboe@kernel.dk> References: <1526569337-3489-1-git-send-email-axboe@kernel.dk> Message-ID: <1526569337-3489-4-git-send-email-axboe@kernel.dk> Since we aren't sharing the lock for completions now, we don't have to make it IRQ safe. Signed-off-by: Jens Axboe --- drivers/nvme/host/pci.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index ae982edfa4f3..31b8e1808b3c 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -887,9 +887,9 @@ static blk_status_t nvme_queue_rq(struct blk_mq_hw_ctx *hctx, blk_mq_start_request(req); - spin_lock_irq(&nvmeq->sq_lock); + spin_lock(&nvmeq->sq_lock); __nvme_submit_cmd(nvmeq, &cmnd); - spin_unlock_irq(&nvmeq->sq_lock); + spin_unlock(&nvmeq->sq_lock); return BLK_STS_OK; out_cleanup_iod: nvme_free_iod(dev, req); @@ -1046,9 +1046,9 @@ static void nvme_pci_submit_async_event(struct nvme_ctrl *ctrl) c.common.opcode = nvme_admin_async_event; c.common.command_id = NVME_AQ_BLK_MQ_DEPTH; - spin_lock_irq(&nvmeq->sq_lock); + spin_lock(&nvmeq->sq_lock); __nvme_submit_cmd(nvmeq, &c); - spin_unlock_irq(&nvmeq->sq_lock); + spin_unlock(&nvmeq->sq_lock); } static int adapter_delete_queue(struct nvme_dev *dev, u8 opcode, u16 id) -- 2.7.4